Home prices in the San Fernando Valley rose by 12 percent in October compared to a year earlier but were down since September, according to report released Monday by the Southland Regional Association of Realtors.

The Mann Biomedical Park in Valencia and Sylmar Biomedical Park in the San Fernando Valley, both owned by Alfred Mann, have been sold to Intertex Cos. in Valencia with financial backing from L.A. investment firm Oaktree Capital Management.